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  • What will be the atomic mass of an element if it has 9 pr...
Multiple choice

What will be the atomic mass of an element if it has 9 protons and 10 neutrons in the nucleus of its shell?

  1. 9

  2. 10

  3. 19

  4. 1

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Atomic mass = Number of protons + Number of neutrons                         = 9 + 10                         = 19.

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